Patents by Inventor Penelope A. Acres

Penelope A. Acres has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Speech therapy
    Patent number: 4218836
    Abstract: This invention relates to speech therapy wherein a speech teaching aid is provided comprising at least one two dimensional frontal outline of human face, the outline including a representation of vocal apparatus corresponding to the configuration of the vocal apparatus of a person when a particular phonetic sound is being made. The aid may be applied to a mirrored surface so that a comparison can be made by the patient of his facial expression with that of the aid.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: August 26, 1980
    Inventor: Penelope A. Acres